Demo

Java Full Stack Developer (React & Spring Boot Microservices)

CogniSoft Technologies
San Leandro, CA Full Time
POSTED ON 4/9/2026
AVAILABLE BEFORE 5/8/2026

Frontend (React – Strong Focus)

  • Design and develop modern, responsive Single Page Applications (SPAs) using React (Hooks, Context API, Redux)
  • Build reusable, modular UI components using JavaScript/TypeScript, HTML5, CSS3
  • Integrate frontend applications with backend APIs using REST/JSON
  • Optimize UI performance using lazy loading, code splitting, and efficient state management
  • Collaborate with UX/UI designers to translate wireframes into high-quality user experiences

Backend (Java & Spring Boot Microservices)

  • Design and develop Spring Boot microservices following RESTful and microservices architecture principles
  • Implement business logic using Java (8/11/17 ), Spring MVC, Spring Data JPA/Hibernate
  • Build secure APIs with OAuth2, JWT, and role-based access controls
  • Ensure high availability, scalability, and fault tolerance using resilient design patterns
  • Integrate with relational and NoSQL databases (PostgreSQL, Oracle, MySQL, MongoDB)

Salary.com Estimation for Java Full Stack Developer (React & Spring Boot Microservices) in San Leandro, CA
$115,061 to $151,752
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